* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


body {
  display: flex;
  min-height: 100vh;
  background-color: var(--themeColor);
  backdrop-filter: blur(10px);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* 大标题的样式 */
.headline {
  position: absolute;
  top: 60px;
  color: rgb(255, 255, 255);
}


/*  登录盒子标题的样式 */
.login-box h1 {
  position: absolute;
  top: 10px;
  color: rgb(255, 255, 255);
  width: 400px;
  height: 50px;
  text-align: center;
}

/* 登录盒子的样式 */
.login-box {
  position: relative;
  width: 450px;
  height: 500px;
  border: 1px solid black;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* background: #e8e8e8; */
  /* backdrop-filter: blur(150px); */
  box-shadow: 0 15px 30px rgb(0, 0, 0, 0.3), 0 11px 11px rgb(0, 0, 0, 0.2);
}

/* 登录盒子中div标签的样式 */
.login-box div {
  position: relative;
  text-align: center;
  line-height: 40px;
  width: 400px;
  height: 40px;
  margin-top: 2px;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 矢量图标的样式 */
.login-box .icon {
  justify-content: space-evenly;
}

.icon input {
  display: none;
}

.icon span {
  font-size: 40px;
}

.icon label span:active {
  cursor: pointer;
  color: aliceblue;
}

.icon input:checked+label span {
  color: #fff;
}

.login-box div .inpt {
  padding-top: 10px;
  width: 250px;
  height: 40px;
  border: none;
  font-size: 1em;
  border-bottom: 2px solid #fff;
  outline: none;
  background: transparent;
}

.login-box div i {
  position: absolute;
  top: 50%;
  right: 75px;
  transform: translateY(-50%);
}

.login-box div .yzm {
  width: 65px;
  height: 40px;
  background-color: greenyellow;
  position: absolute;
  top: 50%;
  right: 75px;
  transform: translateY(-50%);

}

.login-box div .lab {
  position: absolute;
  top: 50%;
  left: 75px;
  transform: translateY(-50%);
  font-size: .5em;
  transition: all 0.2s;
}

.login-box div .inpt:focus+.lab,
.login-box div .inpt:valid+.lab {
  top: 5px;
}

.login-box .login-box-register {
  justify-content: space-evenly;
}

.login-box-register button {
  width: 150px;
  height: 40px;
  border: none;
  font-size: 1em;
  border-radius: 20px;
  transition: all 55ms;
}

.login-box-register button:hover {
  transform: scale(1.2);
  color: #fff;
  background-color: var(--themeColor);
  cursor: pointer;
}


input[type=checkbox] {
  width: 20px;
  height: 20px;
}

.xt:hover {
  cursor: pointer;
}

.login-box div .color {
  border-bottom: 2px solid red;
}

.login-box div .red {
  color: red;
}

.login-box div p {
  position: absolute;
  right: -15px;
  font-size: 12px;
}